Police block protesters from reaching Independence Plaza, where they wanted to protest the government of President Rafael Correa outside the presidential palace, in downtown Quito, Ecuador, Thursday, March 19, 2015. Demonstrators are protesting government proposed laws, including a labor law, an initiative on land ownership and a series of constitutional reforms that would allow indefinite reelection for all elected officials. less

Police block protesters from reaching Independence Plaza, where they wanted to protest the government of President Rafael Correa outside the presidential palace, in downtown Quito, Ecuador, Thursday, March 19, ... more

A Yemeni man wears a gas mask that he looted from a base that belonged to police special forces loyal to ousted longtime autocratic President Ali Abdullah Saleh, as he walks around outside the base in Aden, Yemen, Thursday, March 19, 2015. Militiamen loyal to the current President Abed Rabbo Mansour Hadi ride on armored vehicles in the background. less

A Yemeni man wears a gas mask that he looted from a base that belonged to police special forces loyal to ousted longtime autocratic President Ali Abdullah Saleh, as he walks around outside the base in Aden, ... more

Photo: Hamza Hendawi, Associated Press

A Yemeni man wears a gas mask that he looted from a base that... Photo-7684687.105706 - SFGate

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A general view inside the Brenner Base tunnel during the inauguration of the tunnel construction of the Brenner Base railway tunnel on March 19, 2015 near Innsbruck, Austria. The tunnel will run beneath the Brenner Pass and form part of a new rail connection between Munich and Florence. With a planned length of 64 kilometers it will be the longest railway tunnel in the world. less

A general view inside the Brenner Base tunnel during the inauguration of the tunnel construction of the Brenner Base railway tunnel on March 19, 2015 near Innsbruck, Austria. The tunnel will run beneath the ... more

Photo: Jan Hetfleisch

A general view inside the Brenner Base tunnel during the... Photo-7685007.105706 - SFGate

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The grandchildren of Palestinian man Saad al-Jamal, play with two lion cubs outside their family house in the Rafah refugee camp in the southern Gaza Strip, on March 19, 2015. Al-Jamal, who says he bought the two-month-old cubs from the Rafah Zoo, lives with the animal inside this family home. less

The grandchildren of Palestinian man Saad al-Jamal, play with two lion cubs outside their family house in the Rafah refugee camp in the southern Gaza Strip, on March 19, 2015. Al-Jamal, who says he bought the ... more

Photo: Said Khatib, AFP / Getty Images

The grandchildren of Palestinian man Saad al-Jamal, play with two... Photo-7684695.105706 - SFGate

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Taboola Gallery Frame Item-85307.105706 - SFGate

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An ice climber makes their way up Frankenstein Cliff as freezing temperatures remain on the last full day of winter Thursday, March 19, 2015, in Harts Location, N.H.

An ice climber makes their way up Frankenstein Cliff as freezing temperatures remain on the last full day of winter Thursday, March 19, 2015, in Harts Location, N.H.

Photo: Jim Cole, Associated Press

An ice climber makes their way up Frankenstein Cliff as freezing... Photo-7684693.105706 - SFGate

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A lone Italian flag is waved amongst a sea of Juventus' flags during the Round of 16, second-leg UEFA Champions League football match Borussia Dortmund vs Juventus in Dortmund, western Germany on March 18, 2015. less

A lone Italian flag is waved amongst a sea of Juventus' flags during the Round of 16, second-leg UEFA Champions League football match Borussia Dortmund vs Juventus in Dortmund, western Germany on March 18, ... more

A U.S. sailor works with bombs being prepared for loading on military jets on the flight deck of the USS Carl Vinson aircraft carrier in the Persian Gulf, Thursday, March 19, 2015. U.S. aircraft aboard the Carl Vinson as well as French military jets aboard the nearby French carrier Charles de Gaulle are flying missions over Iraq in the fight against Islamic State militants. less

A U.S. sailor works with bombs being prepared for loading on military jets on the flight deck of the USS Carl Vinson aircraft carrier in the Persian Gulf, Thursday, March 19, 2015. U.S. aircraft aboard the Carl ... more

Photo: Hasan Jamali, Associated Press

A U.S. sailor works with bombs being prepared for loading on... Photo-7684694.105706 - SFGate

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Farmers prepare a field of asparagus to cover it with plastic sheets near Beelitz, eastern Germany, on March 19, 2015. As farmers use foil covering they are able to grow and harvest the vegetable earlier and faster than usual. less

Farmers prepare a field of asparagus to cover it with plastic sheets near Beelitz, eastern Germany, on March 19, 2015. As farmers use foil covering they are able to grow and harvest the vegetable earlier and ... more

Photo: Ralf Hirschberger, AFP / Getty Images

Farmers prepare a field of asparagus to cover it with plastic... Photo-7684696.105706 - SFGate

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Taboola Gallery Frame Item-85307.105706 - SFGate

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Actor Richard Madden poses for photographs with fans upon arrival at the premiere of the film Cinderella in London, Thursday, 19 March, 2015.

Actor Richard Madden poses for photographs with fans upon arrival at the premiere of the film Cinderella in London, Thursday, 19 March, 2015.

Eclipse watching tourists ride dog sleds outside of Longyearbyen, Svalbard, an archipeligo administered by Norway on March 19, 2015 ahead of the March 20 total solar eclipse in Longyearbyen, Svalbard, an archipeligo administered by Norway. Thousands are gathering here as the only land the total eclipse will be seen from is on Svalbard and the Faoroe Islands off Iceland. less

Eclipse watching tourists ride dog sleds outside of Longyearbyen, Svalbard, an archipeligo administered by Norway on March 19, 2015 ahead of the March 20 total solar eclipse in Longyearbyen, Svalbard, an ... more